How To Proceed With Troubleshooting

HINT: 

• Use these procedures to troubleshoot the cruise control system.
• *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP 

   NEXT: Go to next step 

2. INSPECT BATTERY VOLTAGE 

   Standard voltage

   11 to 14 V

   If the voltage is below 11 V, recharge or replace the battery before proceeding.

   NEXT: Go to next step 

3. CHECK COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM* 
   1. Use the Techstream (with CAN VIM) to check if the CAN communication system is functioning normally.
      RESULT:
      
      

      Result	Proceed to
      CAN DTC is not output	A
      CAN DTC is output	B

      B → Go to CAN COMMUNICATION SYSTEM. Refer to  DIAGNOSTIC TROUBLE CODE CHART 

      A: Go to next step 

4. CHECK INDICATOR LIGHT 

   NEXT: Go to next step 

5. CHECK DTC* 
   1. Check for DTC. Refer to DTC CHECK / CLEAR .
   2. Delete the DTC. Refer to DTC CHECK / CLEAR .
   3. Recheck for DTC. Refer to DTC CHECK / CLEAR .
      RESULT
      
      

      Result	Proceed to
      DTC does not reoccur	A
      DTC reoccurs	B

      B → Go to   8 step 8 

      A: Go to next step 

6. PROBLEM SYMPTOMS TABLE 
   RESULT
   
   

   Result	Proceed to
   Fault is not listed in problem symptoms table	A
   Fault is listed in problem symptoms table	B

   B → Go to   8 step 8 

   A: Go to next step 

7. OVERALL ANALYSIS AND TROUBLESHOOTING* 
   1. Terminals of ECU. Refer to TERMINALS OF ECU .
   2. DATA LIST / ACTIVE TEST. Refer to DATA LIST / ACTIVE TEST .

      NEXT: Go to next step 

8. REPAIR OR REPLACE 

   NEXT: Go to next step 

9. CONFIRMATION TEST 

   NEXT → END